Home / 2,144,836.91-3,216,273.14-1,280,664.14

Finding the Fourth Proportional to 2,144,836.91, 3,216,273.14 and 1,280,664.14

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Solution

The fourth proportional to 2,144,836.91, 3,216,273.14 and 1,280,664.14 is: 1,920,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,836.91 : 3,216,273.14 = 1,280,664.14 : x
  2. Step 2: Convert to fraction form
    2,144,836.91/3,216,273.14 = 1,280,664.14/x
  3. Step 3: Cross multiply
    2,144,836.91x = 3,216,273.14 × 1,280,664.14
  4. Step 4: Simplify right side
    2,144,836.91x = 4,118,965,658,761.83
  5. Step 5: Solve for x
    x = 4,118,965,658,761.83/2,144,836.91
  6. Step 6: Final answer
    x = 1,920,409.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.